RegionalManagedInstanceGroup

A regional managed instance group.

Like all Resources, this class configures itself across multiple Environments.

For more information see the official documentation.

Example Usage

Basic Usage

1
import launchflow as lf
2

3
mig = lf.gcp.RegionalManagedInstanceGroup("regional-mig")
content_copy

With Custom Auto-Healing Policy

1
health_check = lf.gcp.HttpHealthCheck("health-check")
2
mig = lf.gcp.RegionalManagedInstanceGroup(
3
    "regional-mig",
4
    auto_healing_policy=lf.gcp.regional_managed_instance_group.AutoHealingPolicy(
5
        health_check=health_check,
6
        initial_delay_sec=60,
7
    ),
8
)
content_copy

initialization

Create a new RegionalManagedInstanceGroup.

Args:

• name (str): The name of the managed instance group.
• target_size (Optional[int]): The target number of instances.
• base_instance_name (Optional[str]): The base name of the instances.
• region (Optional[str]): The region to create the managed instance group in. If null defaults to the default region of the environment.
• update_policy (UpdatePolicy): The policy for updating the managed instance group.
• auto_healing_policy (Optional[AutoHealingPolicy]): The policy for auto-healing the managed instance group.
• named_ports (Optional[List[NamedPort]]): The named ports on the managed instance group.

AutoHealingPolicy

The policy to fix "unhealthy" instances.

Args:

• health_check (HttpHealthCheck): The health check to use to determine if an instance is unhealthy.
• initial_delay_sec (int): The number of seconds to wait before the first health check.

NamedPort

A namped port on a managed instance group.

Args:

• name (str): The name of the port.
• port (int): The port number.

UpdatePolicy

The policy for updating a managed instance group.

Args:

• type (Literal["PROACTIVE", "OPPORTUNISTIC"]): The type of update.
• minimal_action (Literal["NONE", "REFRESH", "RESTART", "REPLACE"]): The minimal action to take.
• most_disruptive_allowed_action (Literal["NONE", "REFRESH", "RESTART", "REPLACE"]): The most disruptive action allowed.
• instance_redistribution_type (Literal["PROACTIVE", "NONE"]): The type of instance redistribution.
• max_surge_fixed (Optional[int]): The maximum number of instances to add during an update.
• max_surge_percentage (Optional[float]): The maximum percentage of instances to add during an update.
• max_unavailable_fixed (Optional[int]): The maximum number of instances to remove during an update.
• max_unavailable_percentage (Optional[float]): The maximum percentage of instances to remove during an update.
• min_ready_sec (Optional[int]): The minimum number of seconds to wait before marking an instance as ready.
• replacement_method (Literal["RECREATE", "SUBSTITUTE"]): The method to use to replace instances.